Home / 6,517.80-8,995.92-4,126.32

Finding the Fourth Proportional to 6,517.80, 8,995.92 and 4,126.32

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Solution

The fourth proportional to 6,517.80, 8,995.92 and 4,126.32 is: 5,695.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,517.80 : 8,995.92 = 4,126.32 : x
  2. Step 2: Convert to fraction form
    6,517.80/8,995.92 = 4,126.32/x
  3. Step 3: Cross multiply
    6,517.80x = 8,995.92 × 4,126.32
  4. Step 4: Simplify right side
    6,517.80x = 37,120,044.61
  5. Step 5: Solve for x
    x = 37,120,044.61/6,517.80
  6. Step 6: Final answer
    x = 5,695.18

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.